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sitspa.com THE SIT GROUP SIT ITALY SIT FRANCE SIT SPAIN SIT GERMANY SIT SWITZERLAND SIT USA SIT CHINA THE SIT GROUP, A TRADITION BEGUN IN 1838. The SIT Group is a leading global manufacturer and supplier of industrial power transmission solutions. The company dates as far back as 1838, when the parent company started to develop and manufacture technological components for the textile industry, and later diversified its production into the mechanical transmission segment. Today, thanks to over 50 years of specific experience in power transmission and a close-knit team of highly qualified professionals, the Group engages in constant technological innovation in order to offer the best application solutions in mechanical power drives. The SIT Group conducts continuing research in innovative technologies that will define the environment of the future. Our experience, along with application expertise gained over decades, is made available and used every day by our customers to develop successful innovative machines and systems. One of today s leading European power drive manufacturers, the SIT Group develops, engineers, manufactures and distributes high quality transmission solutions and components for superior industrial applications worldwide. With operations on 3 continents, SIT manufactures pulleys, rubber and polyurethane belts, drive couplings, locking assemblies and a wide range of accessories. VISION With the advantage provided by our future-oriented research and development, manufacturing technologies and our cutting-edge products, our mission is to provide customers with technically sound and cost effective solutions. Our personal commitment and support allows us to develop long lasting partnerships always looking for the next innovative idea or solution. A GLOBAL ORGANIZATION The Group s R&D and its main manufacturing along with the logistics operations are based in Italy. Globally, we contribute to our customers success through our subsidiaries in three continents. The production and logistic capacity of SIT subsidiaries in Germany, France, Switzerland, Spain, United States and China provides customers with products, technical support, service and world-class quality. A major strength is our international team of highly qualified engineers, committed to meeting even the most complex application needs of customers in the area of mechanical transmission with the best technical and cost effective solutions. This makes us a unique value-added partner.
sitspa.com MANUFACTURING TIMING PULLEYS V-PULLEYS POLYURETHANE BELTS SPROCKETS, PLATE WHEELS COUPLINGS TAPER BUSHING SELF LOCKING ELEMETS CUSTOM PRODUCTIONS ACCORDING TO DRAWING STRONG MANUFACTURING EXPERIENCE A century-old industrial tradition and 50 years of experience in the development and manufacturing of power transmission components. Our production facilities uses the most advanced technologies. Through constant investment in machinery, equipment and tools, SIT achieves high productivity and flexible efficiency. Our strict quality controls of outgoing products to ISO 9001 quality certifications allows the company to meet the most stringent requirements. The experience, quality awareness and professionalism of our human resources has earned us international recognition as a strong quality-orientation company. OVER 25,000 SQM OF PRODUCTION AREA IN 3 CONTINENTS Today s production of drive belts, metal components and accessories, is the result of continuous investments made by the group to meet its customers needs. Experience, culture, technical resources and expertise make SIT a market leader and standard setter. Manufacturing plant - Val Brembilla (BG) RESEARCH & DEVELOPMENT Through its team of experienced technicians and engineers dedicated to Research and Development along with a Technology Centre equipped with the advanced dynamic test benches. New sophisticated raw materials and finish product testing gives highly innovative products and solutions.
CAD LIBRARY CALCULATION SOFTWARE E-SALES NAUTILUS QUICK AND PUNCTUAL DELIVERY sitspa.com BEYOND PRODUCTS BEYOND PRODUCTS: LOGISTICS AND SERVICE QUALITY AND PERFORMANCE LOGISTICS The integration of advanced manufacturing technologies and cutting-edge logistics ensures a high level of product quality and availability. The flexibility, speed and continuous improvement of SIT logistics provide competitive advantages and opportunities to all customers. Our new automated logistics center in Cusago, Milan ensures a highly efficient flow of products. ONLINE TOOLS In addition to the design support service provided by our application engineers, the www.sitspa.com website allows quick and easy access to a great deal of information including: drive sizing through the SITDrive and SITCoupling software applications, 3D drawings of standard components, technical documentation, available stock and much more. E-Sales Drive Selection Program Coupling Selection Program SIT ONLINE TOOLS Online resources include downloadable technical catalogues and CAD drawings, sophisticated software for designing power drives, product availability searches, and order submission tools (also from customers management system). 15.000 sqm of warehouse and office space 60.000 coded products 200.000 order lines shipped every year 2D/3D CAD Library
SYNCHRONOUS DRIVES SIT toothed belt drives are constantly updated to meet the most advanced specific application requirements. Through the use of an advanced test laboratory and a focus on application engineering solutions, we are able to offer a wide range of products and solutions for every technical application, from the lightest to the heaviest. HTD / 3M 5M 8M 14M STD / S3M S5M S8M S14M RPP / 8M 14M CLASSICA / MXL XL L H XH CONTROL INSTRUMENTS Synergies between our production sites industrial partners and the ability to develop customized products for specific requirements allow us to produce solutions using highly advanced materials technologies, and to provide a virtually endless range of possible solutions. We offer the complete drive unit, belt and pulley (customized if required) - a unique advantage in terms of reliability and quality assurance. IIII TOP DRIVE HTD HTD Profile For medium and low torque drives Chloroprene rubber belt body Fiberglass tension members Polyamide reinforcement fabric 3M, 5M, 8M and 14M pitches Double toothing D5M, D8M, D14M III TOP DRIVE STD Involute profile Precise and consistent meshing Ideal for precision positioning even with reverse Chloroprene rubber belt body Fiberglass tension members Polyamide reinforcement fabric 3M, 5M, 8M and 14M pitches Double toothing D5M, D8M, D14M III HPPD Plus RPP parabolic profile For medium torque drives Even distribution of effort, good tooth jump resistance Chloroprene rubber belt body Fiberglass tension members Polyamide reinforcement fabric 8M and 14M pitches II MUSTANG Speed HTD and STD profile For high torque and high speed drives Chloroprene rubber belt body Fiberglass tension members Double polyamide reinforcement fabric 3M, 5M, 8M, 14M and S8 pitches Double toothing D5M, D8M, D14M I MUSTANG Torque HTD and STD profile For very high torque and low speed drives NBR rubber belt body Aramidic fiber tension members Double polyamide reinforcement fabric 8M and 14M pitches Double toothing D5M, D8M, DS8M, DS14M CONTROL INSTRUMENTS TEN-SIT 2.0 electronic device for belt tension measuring. LINE-LASER, a laser device to check the pulleys alignment. Fast and accurate.
HIGH PERFORMANCE SYNCHRONOUS DRIVES FALCON Pd FALCON Pd 8M 14M SILENT SYNC 8M 14M Thanks to innovative construction materials enabling high torque transmission and reduced dimensions, FALCON Pd is an ideal solution for designing new applications. Available in 8M and 14M pitch. SIT manufactures a full range of pulleys suitable for any application. Benefits Outstanding tensile strength for ultra-high performance Very high torque transmission Possibility to use back idlers Antistatic Energy Saving II SILENT SYNC Innovative double helical offset tooth drive. SILENT SYNC is an innovative double helical offset tooth drive which, thanks to continuous and progressive meshing between belt and pulley, provides very high performance in terms of both noiseless and precision, reducing vibration. Benefits Noise reduction up to 15 decibels compared to any other type of toothed belt Drastic reduction of vibrations Self-aligning transmission (the pulleys do not require flanges) For high torque transmission Belts available in both rubber and polyurethane
FRICTION BELT DRIVES With its decades of technical and applicative experience in the development and production of complete drive units for the industrial sector and aftermarket, SIT offers the best range of V-belt drives, including customized products for any specific requirements. EXCELITE ES MBL ENVELOPE MAXSTAR POWER TORQUE FLEX HIGH PERFORMANCE PIONEER SIT BANDED POLY-V SIT VARIO Availability of high-tech products, in-depth knowledge of materials and processes combined with the ability to design and manufacture complete belt and pulley drive units, make us the ideal partner for machinery and industrial equipment manufacturers. IIII EXCELITE ES ENVELOPE Envelope belt with excellent price to performance ratio, suitable for general industrial applications intended for not-too-heavy duty use. SPZ, SPA, SPB, SPC Z, A, B, C, D III MBL ENVELOPE Envelope belts with exceptional durability for applications even in severe environments. Also available with ARAMID cord and in the BARE BACK version. SPZ, SPA, SPB, SPC Z, A, B, C, D I MAXSTAR POWER Envelope belt for heavy loads produced using superior category CR compounds and reinforced cable cords for highpower drive systems. SPA, SPB,SPC III EXCELITE ES MOULDED COG With their excellent price to performance ratio, moulded cog belts are suitable for general industrial applications. XPZ, XPA, XPB, XPC ZX, AX, BX, CX II TORQUE FLEX Designed for demanding applications, these moulded cog belts are transversely rigid, with improved flexibility thanks to the moulded cogs. XPZ, XPA, XPB, XPC 3VX, 5VX, 8VX ZX, AX, BX, CX HIGH PERFORMANCE PIONEER High performance EPDM moulded cog belt. Withstands operating temperatures in the range of -40 to +130 C Electrically conductive according to ISO 1813. XPZ, XPA, XPB, XPC II SIT BANDED Banded belts for applications requiring high torque variation and severe loads. XPZ, XPA, XPB, XPC SPA, SPB, SPC 3V, 5V, 8V BX, CX POLY-V The lengthwise ridged construction helps to achieve a very compact transmission of even heavy loads. Also available in elastic FLEXONIC and CONVEYXONIC design. H, J, K, L, M SIT VARIO Variator belts. Used for high power transmission in variable speed drive systems. Produced using CR compound and Flexten cable cord. Wide range of variable pulleys designed and built to optimize the service life of the drive unit.
T2,5 T5 T10 T20 AT3 AT5 AT10 AT15 SAT10 AT20 ATL5 ATL10 ATL20 TK5 TK10 ATK5 ATK10 HTD 3M 5M 8M 14M RTD 5M 8M 14M STD S5M S8M S14M EAGLE E5 E8 E10 E14 MXL XL L H XH F1 F2 F2,5 F3 F9 POLY-V K TT5 ELATECH POLYURETHANE BELTS Solutions for linear positioning, conveying, power transmission and lifting. ELATECH a company of the SIT group, specialized in the development, design and manufacture of polyurethane belts. With its state-of-the-art manufacturing equipment, advanced testing department and a time-tested team of engineers and technicians, the company offers a wide range of products designed to meet any linear positioning, conveying, power transmission and lifting need. ELATECH M and V ELA-flex SD ELATECH M belts are produced in rolls and are available in any desired length. Wide range of pitches and profiles, including double toothing. ELATECH V-belts are welded belts designed specifically for linear conveying. ELA-flex SD drive belts feature continuous cords, which makes them ideal for power transmission. Available in a wide range of profiles and pitches and in any tooth-to-tooth length from 800 to 24.000 mm. ELATECH SYNCRO-MAX ELATECH SYNCRO-MAX Extra-Wide polyurethane belts extend the benefits of synchronous toothed belts to larger surfaces and to typical conveyor belt and modular handling system applications.
PAZ/PAR CELLOFLEX POROL PU SYLOMER FISHBONE PU PUR70, PUR85 PVC SUPERGRIP MINIGRIP LINATRIL LINATEX NBR VITON CORREX APL THERMOPLAST SILICONE TECNOGUM MULTIRIB ELATECH isync Made from a special polyurethane compound and featuring high-strength steel cords, ELATECH isync belts are the result of a unique, highly sophisticated technology that makes them capable of transmitting 30% more than conventional T and AT profiles. Power (%) 140 120 100 80 60 40 20 0 Standard Polyurethane Belts T - AT isync T - AT isync T - AT +30% Benefits: High transmission capacity High abrasion resistance Operating temperature range from -10 to +80 C Profiles: T2,5 - T5 - T10 - AT5 - AT10 - XL - L Special ELATECH belts Thanks to their physical and mechanical properties and a wide range of materials that can be brought to the surface, ELATECH belts meet any synchronized conveying need. ELATECH EMF Mechanical Fastening ELATECH EFT False Teeth Drawings of the most suitable cleat for any polyurethane belt can be downloaded in CAD or PDF format. Availability of a vast array of customized and standard cleats, specially designed for the most diverse applications. Linings: Fabric Foam PU and PVC Rubber Silicone
DRIVE COUPLINGS ZERO-BACKLASH COUPLINGS FOR SERVOMOTOR APPLICATIONS COUPLINGS FOR GENERIC APPLICATIONS HEAVY-DUTY COUPLINGS TRASCO ES SERVOPLUS SERVOMATE SAFEMAX TRASCO SITEX / SITEX FL UNIVERSAL JOINT METALDRIVE SITEX ST SIT-LOCK SERLOCK TRASCO ES Zero-backlash precision coupling. Absorbs shock and vibration through an elastomeric ring in different hardnesses Also suitable for axial or blind mounting Available in clamp coupling design, fitting ring TRASCO Compact coupling ideal for applications involving shocks and vibrations absorbed by elastomeric rings of different hardnesses. Absorbs torsional vibrations Compensates for axial, radial and angular misalignments Available in cast iron, aluminium, steel and for taper bush mounting SER-SIT METALDRIVE Steel disc coupling, suitable for maintenance-free applications even at high speed. Backlash-free, torsionally stiff Maintenance-free Operating temperature up to 300 C Allows axial, angular and radial misalignments Available according to API610 and API 671 Available with carbon fiber extensions SERVOPLUS Zero backlash, high torsional stiffness bellows coupling. Operating temperature up to 300 C Clamp shaft coupling Innovative modular design SERVOMATE Zero backlash disc pack coupling with high torsional stiffness. Compact design High torsional stiffness Available with single or double disc package Clamp shaft coupling SAFEMAX Zero backlash torque limiting system for direct or indirect transmission. Available in combination with TRASCO ES or SERVOPLUS Quick release (1-3 ms) Low inertia moment Axial mounting (if desired) SITEX / SITEX FL Toothed coupling with polyamide ring for generic mechanical and hydraulic applications (pumps). Maintenance-free Compact, easy to install FL design for flywheel-pump applications in hydrostatic drives NYLEX design with polyamide hubs for light-duty applications UNIVERSAL JOINT Articulated couplings for general mechanical applications requiring high misalignment and speeds up to 1000 rpm. Single, double and extendable shaft design Precise and versatile transmission SITEX ST Steel toothed coupling for applications requiring high operational reliability. High transmissible torques Very long service life Requires lubrication Also available in the version compliant with AGMA standards Suitable for horizontal applications LOCKING DEVICES SIT-LOCK Friction fitting sets are ideal for any shaft-hub connection application. Help reduce the costs of the assembly Ideal for next-generation applications High axial and angular positioning accuracy Ideal for applications involving acceleration and deceleration Zero backlash Easy to mount SERLOCK Innovative locking system for all power transmission components designed for taper bush. Zero backlash Quick and easy to mount Eliminate the cost of additional machining
SELF-ALIGNING BEARING UNITS BEARING UNITS FOR GENERIC APPLICATIONS Bearing units are used in various applications. Their construction includes an exclusive locking pin that allows selfalignment and prevents the rotation of the outer ring, thus increasing the service life of the installation. The range is one of the largest worldwide and includes bearing units with cast iron, stainless steel and stamped sheet metal bodies. Bearing units designed for the insertion of a protection cap, as well as for high-temperature applications and very heavy radial loads are available. BEARING UNITS WITH CAST IRON BODY BEARING UNITS WITH SHEET METAL BODY STAINLESS STEEL BEARING UNITS SILVER/STAINLESS BEARING UNITS JOINT ARTICULATIONS JOINT ARTICULATIONS MOTOR BASES ANTIVIBRATION MOUNTS Bearing units with CAST IRON body High machining quality and accuracy ensure maximum reliability and durability in any application, even the most severe. Wide range of designs For 12 to 140 mm shaft diameters Bearing units with SHEET METAL body With stamped and galvanized sheet metal body for low-load economical applications. For 12 to 35 mm shaft diameters BEARING UNITS FOR CORROSIVE ENVIRONMENTS OR FOOD/PACKAGING INDUSTRY APPLICATIONS BALL JOINTS AND CONNECTING ROD ENDS JOINT ARTICULATIONS Ball joints and connecting rod ends with bronze, Teflon or steel on steel insert. Steel-on-steel or steel-on-aluminium 90 degree ball joints. Weld-on ends for hydraulic cylinders. High reliability Self-aligning Large offset angle allowed High load capacity Long service life MOTOR BASES AND ANTIVIBRATION MOUNTS STAINLESS STEEL bearing units Ideal for applications in the food industry. Excellent resistance to corrosion Optionally supplied with FDA compliant grease For 12 to 50 mm shaft diameters SILVER\STAINLESS bearing units Featuring a special zinc alloy body and an AISI 304 stainless steel bearing, these assemblies combine maximum lightweight with quick and accurate mounting thanks to the marking of the centres. Very compact dimensions For 10 to 30 mm shaft diameters MOTOR BASES COMPATTA (size 80 225) VAREX (size 56 132) LINEA (size 56 400) TV909/910 - longitudinal slide TB911 - tilt slide ANTIVIBRATION MOUNTS SIT-PAULSTRA elastomeric mounts SIT-PAULSTRA control and isolate noise, impacts and vibrations to provide ideal conditions for the operation of machines and equipment, extending their service life and protecting the environment. The use of sophisticated calculation and simulation software maximizes results while minimizing costs. Extremely wide range for industrial and civil uses Rubber-metal solutions Metal solutions
HIGH-PRECISION SERVO REDUCERS Nidec Shimpo s range of servo reducers is designed to provide maximum flexibility and ease of configuration. SIT supports applications with a team of experts in the development of new applications as well as interchangeability with existing ones. The product ensures high reliability and top of the market performance. Servo COAXIAL EPICYCLOIDAL Reducer Tools EPICYCLOIDAL WITH RIGHT ANGLE RIGHT ANGLE WORM GEARBOXES GLOBOIDAL WORM GEAR MESH FLEXWAVE CORONEX RACK AND PINION TRACTION DRIVE ROTARY TABLES VR Series COAXIAL EPICYCLOIDAL REDUCERS Noiseless, low backlash, high efficiency, compatible with all servomotors. EV Series EPICYCLOIDAL REDUCERS WITH RIGHT ANGLE Noiseless, low backlash, high efficiency, compatible with all servomotors. RIGHT ANGLE WORM GEARBOXES Hollow shaft with globoidal worm able to absorb strong shock and ensure high positioning accuracy. FLEXWAVE REDUCER Elastic deformation, lightweight, zero backlash and compact. 1 50 120 transmission ratio. CORONEX REDUCER High torsional stiffness cycloidal reducer. Zero backlash, for high loads and dynamic cycles. HIGH PRECISION RACK AND PINION Very compact and precise transmission system with low inertia. TRACTION DRIVE Roller reduction system (gearless): minimizes vibration and noise, ensuring a steady rotating motion. ROTARY TABLES STH - with high-load, high-precision through hollow shaft STR - zero-backlash through hollow shaft
MODULAR BELTS AND CHAINS SIT modular belts and chains are used in a broad range of transport and conveying applications. Thanks to their modular structure and variety of designs, they are available in virtually any length and width. They feature high resistance to corrosion and abrasion combined with handling synchronization. STRAIGHT CONVEYOR BELTS CURVED CONVEYOR BELTS STRAIGHT CHAINS CURVED CHAINS FLIGHTS AND SIDE WALL SPROCKETS Designed and manufactured in compliance with the highest quality standards as well as FDA and EU standards. Thanks to the expertise in plastic molding of one of its group companies, SIT can offer the development of special parts to customer specifications. STRAIGHT CONVEYOR BELTS Available with pitches ranging from 1/2 to 2 in a wide array of designs for any application, from food handling to heavy-duty conveying. Available in different materials depending on the application. CURVED CONVEYOR BELTS Designed for curved conveying paths. Also suitable for for straight paths. Wide range of curvatures starting from 1.4 m. Available in different materials depending on the application. STRAIGHT CHAINS Designed for the handling of bottles and cans in conveying, transport, packaging and accumulation line facilities. Made from low-friction POM acetal resin, with stainless steel pins. CURVED CHAINS Designed for curved conveying paths. Made from low-friction POM acetal resin, with stainless steel pins. FLIGHTS AND SIDE WALL Wide range of flights and side wall in different heights, materials and designs. SPROCKETS In addition to a range of stamped sprockets, SIT can supply specially made sprockets in different materials, designs and numbers of teeth.
CHAIN DRIVES STANDARD CHAINS CONVEYOR CHAINS ACCUMULATION CHAINS LIFTING CHAINS SPROCKETS PLATE WHEELS STANDARD CHAINS High resistance to wear and fatigue. Wide and comprehensive range in compliance with ISO 606, up to pitch 2. CONVEYOR CHAINS Roller chains available in different versions for the most diverse applications. With straight or right-angle attachments, rubber coated jumpers and protruding pins. ACCUMULATION CHAINS Conveyor chains with a row of rollers or offset rollers. LIFTING CHAINS Chains suitable for lifting heavy loads at low speeds. SPROCKETS Simple/double/triple sprockets Finished bore hardened sprockets Special sprockets PLATE WHEELS Simple/double/triple plate wheels Special plate wheels
SIT S.p.A. Viale A. Volta, 2 20090 Cusago (MI) - Italy Tel. +39.02.89144.1 Fax +39.02.89144293 export@sitspa.it www.sitspa.com Factory Via G. Carminati, 15 24012 Val Brembilla (BG) - Italy SIT GERMANY SIT ANTRIEBSELEMENTE GmbH Rieseler Feld 9 (Gewerbegebiet West) D - 33034 Brakel Tel. +49.5272.3928.0 Fax. +49.5272.392890 SIT SPAIN DINAMICA DISTRIBUCIONES S.A. Ctra. N-II, Km 592,6 E - 08740 S. Andreu De La Barca (Barcellona) Tel. +34.93.6533500 SIT USA S.I.T. INDEVA, Inc. 3630 Green Park Circle NC - 28217 Charlotte Tel. 001.704.357.8811 Fax 001.704.357.8866 E-mail: info@sit-antriebselemente.de Fax. +34.93.6533508 E-mail: info@sit-indeva.com E-mail: dinamica@dinamica.net SIT SWITZERLAND SIT (Schweiz) AG Lenzbüel 13 CH - 8370 Sirnach Tel. +41.71.969.50.00 Fax +41.71.969.50.01 SIT FRANCE FOGEX 215, Rue Henri Barbusse F - 95103 Argenteuil Cedex Tel. +33.01.34344600 SIT CHINA SIT INDEVA (SHANGHAI) LTD. Building 2, 269 YuanZhong Road Nanhui Industrial park Pudong new area PRC - 201300 Shanghai E-mail: info@sit-antriebstechnik.ch Fax +33.01.34344601 Tel. +86.021.51082206 E-mail: info@fogex.com Fax +86.021.64863511 E-mail: info@sit-shanghai.com Certified Quality System UNI EN ISO 9001 EN501.19-10/17 (1000-10/17)